Geological research by airplane 1 ₫ — Vietnam, 1985
Geological research by airplane (Vietnam, 1985), face value 1 ₫, “30th Anniv. of Vietnamese Geological branch” series. Photo, catalogue value, details and…
- Series
- 30th Anniv. of Vietnamese Geological branch
- Issue date
- 1985
- Face value
- 1 ₫
- Colors
- Light lilac brown | Light yellowish green